One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant gerbera in Sullivan can be estimated by reviewing the USDA zone info.

Planting Calendar for Gerbera

Frost tolerance for gerbera:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Gerbera tend to make it in some cold which means that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant gerbera in Sullivan is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant gerbera and expect a good harvest is probably August. You probably don't want to wait any later than that or else your gerbera may not have a chance to grow to maturity. You can get started a little bit earlier by starting your gerbera indoors.

Last Frost Date

The average date of last frost is April 15 in Sullivan. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Sullivan is an average the actual date of last frost will vary from year to year. Half of the time in Sullivan last frost occurs after April 15 so make sure that you are prepared to protect your gerbera if you have one of those late frosts.

USDA Zone Info for Sullivan

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Sullivan

You may be interested in your other planting guides for Sullivan.